– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Sat 28 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sat 28 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sat 28 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMild with light rain (total 6mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Sun afternoon. Freeze-thaw conditions (max 6°C on Sat morning, min -2°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryMild with heavy rain (total 24mm), heaviest during Wed morning. Becoming colder with a moderate fall of snow heaviest on Wed afternoon. Freeze-thaw conditions (max 6°C on Tue afternoon, min -1°C on Wed night). Wind will be generally light. | |||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 1 | Thursday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  | | | |  | | | |  | | |
cloudy | light rain | light rain | light rain | light snow | snow shwrs | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | heavy rain | light snow | snow shwrs | light rain | rain shwrs | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 4 | 2 | — | — | — | — | — | — | — | 4 | 6 | — | — | — | |
— | 1.2 | 0.9 | 1 | 2 | — | — | — | — | — | — | 2 | 12 | 8 | — | 0.5 | 1.6 | — | |
max °C | 6 | 6 | 4 | 3 | 2 | -1 | 0 | 2 | 0 | 5 | 6 | 4 | 3 | 3 | 1 | 2 | 3 | 2 |
min °C | 4 | 5 | 2 | 1 | 1 | -2 | -2 | 1 | -2 | 2 | 6 | 3 | 3 | 2 | -1 | 1 | 3 | -1 |
4 | 4 | 2 | -1 | -2 | -2 | -2 | -1 | -2 | 0 | 6 | 1 | 0 | 2 | -1 | 1 | 2 | -1 | |
1300 | 1150 | 900 | 850 | 650 | 0 | 500 | 700 | 250 | 1150 | 1300 | 1050 | 1050 | 800 | 550 | 800 | 950 | 300 | |
Cloud base (m) | 2250 | 750 | 1800 | 600 | 550 | 650 | 600 | 800 | 600 | 2200 | 2550 | 750 | 500 | 550 | 550 | 600 | 600 | 650 |
 | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:46 | — | — | 6:43 | — | — |
 | — | 7:31 | — | — | 7:32 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:38 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mild with light rain (total 6mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Sun afternoon. Freeze-thaw conditions (max 6°C on Sat morning, min -2°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mild with heavy rain (total 24mm), heaviest during Wed morning. Becoming colder with a moderate fall of snow heaviest on Wed afternoon. Freeze-thaw conditions (max 6°C on Tue afternoon, min -1°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.